title: HIV PEP rarely warranted after mass casualties. CDC guidelines for HIV, hepatitis and tetanus.
mesh_terms: D015492:AIDS Serodiagnosis; D002487:Centers for Disease Control and Prevention, U.S.; D015658:HIV Infections / Q000175:diagnosis / Q000517:prevention & control* / Q000635:transmission; D006525:Hepatitis, Viral, Human / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D017410:Practice Guidelines as Topic; D013742:Tetanus / Q000517:prevention & control* / Q000635:transmission; D014481:United States